9th Grade Direct Imaging Quizzes , Questions & Answers

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Spotting the Firefly: The Exoplanet Imaging Contrast Quiz

The ultimate game of hide and seek. Trying to see a planet next to a star is like trying to spot a firefly sitting on a massive searchlight. This exoplanet imaging contrast quiz explores the extreme difficulty of direct...

Questions: 20 | Attempts: 11 | Last updated: Feb 20, 2026

Sample Question 1
Why is exoplanet imaging contrast compared to a firefly next to a searchlight?

Because planets are shaped like insects

Because the star is billions of times brighter than the planet

Because stars emit yellow light and planets emit green light

Because fireflies move as fast as planets

Because telescopes use light bulbs

Sample Question 2
The term planet star brightness contrast refers to the difference in size between the two objects.

True

False

Sample Question 3
Which of the following is one of the main direct imaging challenges?

Planets are too large to see

The star's light overwhelms the telescope's sensors

Planets move too slowly to be photographed

All stars are invisible in the infrared

Space is too crowded with other planets

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